Pet nail grinder



FIG. 1 is a perspective view of a pet nail grinder showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of another state of the pet nail grinder thereof.

The broken lines shown in the drawings depict portions of the pet nail grinder in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a pet nail grinder, as shown and described. 